Finding the Fourth Proportional to 1,946.72, 2,917.34 and 848.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.72 : 2,917.34 = 848.79 : x
2. Step 2: Convert to fraction form
   1,946.72/2,917.34 = 848.79/x
3. Step 3: Cross multiply
   1,946.72x = 2,917.34 × 848.79
4. Step 4: Simplify right side
   1,946.72x = 2,476,204.77
5. Step 5: Solve for x
   x = 2,476,204.77/1,946.72
6. Step 6: Final answer
   x = 1,271.99